2041.基于CS1180压力传感器检测系统控制板设计.doc

毕 业 论 文 题 目: 基于CS1180压力传感器检测系统的控制板设计 姓 名: 学 号： 专 业: 计算机科学与技术 指导老师: 目 录 摘要·····································································································3 ABSTRACT······························································································4 1. 绪论··································································································5 1．1 国内外研究现状、水平及存在的问题·········································5 1．2 课题的目的和意义·································································5 1.3 本课题设计的方案································································7 2. 嵌入式系统························································································8 2．1 什么是嵌入式系统·································································8 2．2 嵌入式系统特点及应用 ·························································8 3. 开发板的硬件结构和原理··································································10 3.1 微处理器AtmelAT91SAM7X256芯片······································10 3．2 ARM7开发平台的主要原理功能说明·······························11 3.3 开发板硬件资源 ·································································11 3.4 扩展模块 ··········································································12 3.5 开发工具·········································································13 3.6 基于AT91SAM7X256的ARM7开发平台开发板清单·········· ··13 4． 技术支持及相关驱动·········································································14 4．1 实时操作系统UC/OS-II························································14 4．2 串口通信············································································19 4.2.1 RS232简介································································20 4.2.2 RS232?标准······························································21 4.2.3 RS232通信模式····················